Tanning compound.



UNITED STATES PATENT OFFICE.

IBIRT W. NEWMAN, OF ROCKY FORD,.COLORAD.O, ASSIGNOR OF ONE-THIRD T0ALLEN L. TURNIPSEED, OF YAMPA, COLORADO.

-TAI\T1\TING COMPOUND. 7

No Drawing.

Patented July so,- 1912.

Application filed September 24, 1910. Serial No. 583,614.

To all whom it may concern:

' Be it known that I, BIRT W. NEWMAN, a citizen of the United States,residing at Rocky Ford, in the county of Otero and State of Colorado,have invented new and useful Improvements in Tanning Compounds, of whichthe following is a specification.

This invention relates to'a compound for use in tanning leather, and itsobject 'is to provide a compound whereby all kinds of leather may betanned in a superior manner, within a minimum amount of time, and at acomparatively low cost. I

In carrying my invention into practice, the hide is first placed in astrong lime solution and allowed to remain until the hair begins toslip, which usually occurs in from I means of a fleshing knife. The hideis twelve to twenty-four hours, after which the hide is taken out of thesolution, placed on a beam and all flesh and hair removed by Chestnutoak bark 10 pounds. Chicken manure 2 pounds, Gum gambier 12 pounds.Water 10 gallons.

The oak bark and chicken manure are both employed in a pulverizedcondition,

the oak bark being ground into a snuff. These ingredients, with the gumgambier,

are added to the water and the whole stirred until a bright reddishsoluticn'is obtained.

Into this solution the hide is placed and l allowed to remain untiltanned, which will take about ten days, The hide is then removed, placedon a table, oiled in the usual manner by treating it with fish oil andtallow or the like, then hung in a dark room until dry, and finally dyedand polished or finished in any desired way.

In practice, it 1s found that the ground oak bark-0f the solution sticksto the surfaces of the hide and extracts the substance from the pores ofthe hide, that the chicken manure opens up the grain of the hide andforms an effective filling therefor, and that the gum gambier givessoftness andfloxibility. The product is a leather of superior quality,and by means of the process any kind of hide, with the haironor othmaybe tanned within periods varying from 5 to 15 days. The simplicity ofthe process as well as the cheapness of the ingredients used in thetanning compound, make the process an exceedingly inexpensive one, aswill be readily understoo Having thus described my invention, what Iclaim as new is 1. A tanning compound consisting of ground chestnut oakbark, chicken manure,

gum gamlo-ier and Water.

2. A tanning compound consist ng of ound chestnut oak bark. ten pounds,

c icken dung two pounds, gum gambier twelve pounds and water tengallons.

In testimony whereof I aflix my signature in presence of two witnesses.

BIRT W. NEWMAN. Witnesses: i

ROY E. WOLFE, CHESTER JOHNSON.

